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20223240433 = 115931160617
BaseRepresentation
bin10010110101011001…
…100010100011110001
31221012101121001112221
4102311121202203301
5312404122143213
613142422121041
71314102464434
oct226531424361
957171531487
1020223240433
118638545950
123b04880181
131ba3a0b276
14d9bbd781b
157d566638d
hex4b56628f1

20223240433 has 8 divisors (see below), whose sum is σ = 22435644960. Its totient is φ = 18073157280.

The previous prime is 20223240413. The next prime is 20223240437. The reversal of 20223240433 is 33404232202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20223240433 - 29 = 20223239921 is a prime.

It is a super-2 number, since 2×202232404332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223240398 and 20223240407.

It is not an unprimeable number, because it can be changed into a prime (20223240437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15579660 + ... + 15580957.

It is an arithmetic number, because the mean of its divisors is an integer number (2804455620).

Almost surely, 220223240433 is an apocalyptic number.

It is an amenable number.

20223240433 is a deficient number, since it is larger than the sum of its proper divisors (2212404527).

20223240433 is a wasteful number, since it uses less digits than its factorization.

20223240433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31160687.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20223240433 its reverse (33404232202), we get a palindrome (53627472635).

The spelling of 20223240433 in words is "twenty billion, two hundred twenty-three million, two hundred forty thousand, four hundred thirty-three".

Divisors: 1 11 59 649 31160617 342766787 1838476403 20223240433